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Analysis and modeling of phase noise in LOCSET and the AFRL high power fiber test bed

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Please use this identifier to cite or link to this item: http://hdl.handle.net/1928/10847

Analysis and modeling of phase noise in LOCSET and the AFRL high power fiber test bed

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dc.contributor.author Seeley, Don
dc.date.accessioned 2010-06-25T21:34:27Z
dc.date.available 2010-06-25T21:34:27Z
dc.date.issued 2010-06-25T21:34:27Z
dc.date.submitted May 2010
dc.identifier.uri http://hdl.handle.net/1928/10847
dc.description.abstract High power ytterbium doped fiber amplifier arrays in a master oscillator-power amplifier configuration and the phase noise in such a system is studied. An effective method of coherently combining the elements in such an array is LOCSET. A potential drawback to the effectiveness in LOCSET is the increased phase noise that is present in higher power amplifiers. The theory of LOCSET and the impact of this noise on LOCSET is researched. A mathematical model is developed to study this issue. The theory of phase noise and linewidth broadening due to amplified spontaneous emission is presented. Previous research on the magnitude of phase noise in ytterbium doped fiber amplifier is investigated and compared to the phase noise measurements at the AFRL high power fiber test bed. Phase noise measurements from the AFRL high power fiber test bed are provided to support this research and these data are analyzed in both an open loop configuration and when the control loop is closed by LOCSET. The ability of LOCSET to reduce this noise is analyzed and compared to the predicted results from LOCSET model. en_US
dc.description.sponsorship Army Research Laboratory-Sensors and Electronic Devices Division Department of Defense High Energy Laser Joint Technology Office Air Force Research Laboratory-Laser Division-Solid State and Fiber Laser Branch en_US
dc.language.iso en_US en_US
dc.subject phase noise en_US
dc.subject high power fiber laser amplifiers en_US
dc.subject Locset en_US
dc.subject Ytterbium Doped Fiber Lasers en_US
dc.subject Coherent Combination of Fiber Lasers en_US
dc.subject.lcsh Optical amplifiers
dc.subject.lcsh Rare earth lasers
dc.subject.lcsh Fiber optics
dc.subject.lcsh Power amplifiers
dc.title Analysis and modeling of phase noise in LOCSET and the AFRL high power fiber test bed en_US
dc.type Thesis en_US
dc.description.degree Optical Science and Engineering en_US
dc.description.level Masters en_US
dc.description.department University of New Mexico. Dept. of Physics & Astronomy en_US
dc.description.advisor Thomas, James
dc.description.advisor Shay, Thomas
dc.description.committee-member Diels, Jean-Claude


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